//C10:10.4:day_mon2.c
#include <stdio.h>

int main(void)
{
    const int days[] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
    int index;

    for (index = 0; index < sizeof days / sizeof days[0]; index++)
    {
        printf("Month %2d has %d days.\n", index + 1, days[index]);
    }
}
